The Klein Tools 60100 Hard Hat is a non‑vented, Class E, Type 1 cap‑style safety helmet engineered for maximum protection and comfort on the jobsite. Designed with patented accessory mounts on the front and back, this hard hat allows secure attachment of Klein headlamps without straps or zip ties. Its flexible open‑frame suspension system and padded, sweat‑wicking liner offer a comfortable fit and improved air circulation during long workdays. Easy one‑handed ratchet adjustment lets you dial in a custom fit, even with gloves on, while universal accessory slots expand versatility for additional PPE attachments. Highlights Non‑vented cap style for Class E electrical protection, tested up to 20 kV Patented accessory mounts on front and back for strap‑free headlamp attachment Padded, sweat‑wicking liner improves comfort and is machine washable Ratchet suspension adjustment for quick, secure one‑hand fit Universal accessory slots support hearing protection, face shields, and more Reverse donning capability lets you wear the hat backward if needed Specifications Item Number 60100 Manufacturer Klein Tools Product Name Hard Hat, Non‑Vented, Cap Style Hat Style Cap Type Type 1 Application Class E (Electrical Protection) Venting No Suspension 4‑Point Ratchet with Pivot Shell Material PC/ABS Shell Color White, Blue Shell Lining Padded, Sweat‑Wicking Accessory Slots Front, Back, Both Sides Hat Size 6.5 to 8 Included Hard Hat, User Guide, Reflective Stickers Weight 1 lb (0.5 kg)